1455991940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{62921}}^1$

素因数の和:63032

約数の個数: 48

約数和(自身を含む): 3329832240

約数和(自身を除く): 1873840300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 11570, 23140, 62921, 125842, 251684, 314605, 629210, 817973, 1258420, 1635946, 3271892, 4089865, 5599969, 8179730, 11199938, 16359460, 22399876, 27999845, 55999690, 72799597, 111999380, 145599194, 291198388, 363997985, 727995970, 1455991940]

約数ペア:

[(1, 1455991940), (2, 727995970), (4, 363997985), (5, 291198388), (10, 145599194), (13, 111999380), (20, 72799597), (26, 55999690), (52, 27999845), (65, 22399876), (89, 16359460), (130, 11199938), (178, 8179730), (260, 5599969), (356, 4089865), (445, 3271892), (890, 1635946), (1157, 1258420), (1780, 817973), (2314, 629210), (4628, 314605), (5785, 251684), (11570, 125842), (23140, 62921)]